Juvenile ankylosing spondylitis.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000974:Antibodies, Antinuclear / Q000032:analysis; D001171:Arthritis, Juvenile / Q000175:diagnosis; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007070:Immunoglobulin A / Q000032:analysis; D007074:Immunoglobulin G / Q000032:analysis; D008297:Male; D011379:Prognosis; D011859:Radiography; D012217:Rheumatoid Factor / Q000032:analysis; D012446:Sacroiliac Joint / Q000000981:diagnostic imaging; D013167:Spondylitis, Ankylosing / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000276:immunology / Q000473:pathology; D013582:Synovial Fluid
D000974:Antibodies, Antinuclear; D007070:Immunoglobulin A; D007074:Immunoglobulin G; D012217:Rheumatoid Factor